(23489) 1991 PU16
minor planet
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Summary
(23489) 1991 PU16 is an asteroid[1]. (23489) 1991 PU16 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]
Key Facts
- Discoverer or inventor: Henry E. Holt[3]
- Site of astronomical discovery: Palomar Observatory[4]
- Follows: (23488) 1991 PF12[5]
- Followed by: 23490 Monikohl[6]
- Minor planet group: asteroid belt[7]
- Parent astronomical body: Sun[8]
- Provisional designation: 1991 PU16[9], 1995 VB1[10]
- Time of discovery or invention: August 7, 1991[11]
- Orbital eccentricity: 0.12[12], 0.1224775[13], 0.1219971315210735[14]
- Absolute magnitude: 14.7[15], 14.86[16]
- Orbital inclination: 3.26161 degree[17], 3.258400335172602 degree[18]
- Orbital period: 3.65 years[19], 1334.92127302399 day[20]
- Longitude of ascending node: 20.99426 degree[21], 20.85407224586128 degree[22]
- Semi-major axis of an orbit: 2.3709436 astronomical unit[23], 2.37267443780319 astronomical unit[24]
- Apoapsis: 2.661 astronomical unit[25], 2.662133913248554 astronomical unit[26]
- Periapsis: 2.0805564 astronomical unit[27], 2.083214962357825 astronomical unit[28]
- Argument of periapsis: 303.60489 degree[29], 304.0592901469865 degree[30]
- Mean anomaly: 223.29379 degree[31], 150.4865363647469 degree[32]
- Diameter: 6.766 km[33]
- Albedo: 0.050[34], 0.046[35]
- Epoch: November 21, 2025[36]
- Time of periapsis: 2460442.478670286 Julian day[37]
Why It Matters
(23489) 1991 PU16 is known by 4 alternative names across languages and contexts.[38]